WebpImageFactory.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include "AUI/Image/IAnimatedImageFactory.h"
#include <webp/mux_types.h>
 
struct WebPAnimDecoder;

class WebpImageFactory : public IAnimatedImageFactory {
public:
   explicit WebpImageFactory(AByteBufferView buffer);
 
   ~WebpImageFactory();
 
   AImage provideImage(const glm::ivec2& size) override;
 
   bool isNewImageAvailable() override;
 
   glm::ivec2 getSizeHint() override;
 
   bool hasAnimationFinished() override;
 
private:
   size_t mWidth;
   size_t mHeight;

   size_t mCurrentFrame = -1;
   size_t mFrameCount;
   AVector<std::chrono::milliseconds> mDurations;
   size_t mLoopsPassed = 0;
   size_t mLoopCount;
   bool mAnimationFinished = false;
   std::chrono::time_point<std::chrono::system_clock> mLastTimeFrameStarted;
 
   static constexpr APixelFormat PIXEL_FORMAT = APixelFormat(APixelFormat::RGBA_BYTE);
 
   void loadNextFrame();
 
   WebPData mFileData;
   WebPAnimDecoder* mDecoder = nullptr;
   uint8_t* mDecodedFrameBuffer = nullptr;
   int mDecodedFrameTimestamp = 0;
};

© 2025 AUI Framework Contributors. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. All trademarks are property of their respective owners.